Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
2587 Gardner (1980 OH)
Classification: Main-belt Asteroid          SPK-ID: 2002587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1554012847438715 1.9601e-08  
a 3.165254054973567 1.486e-08 au
q 2.673369508289926 6.183e-08 au
i 2.631620779313672 1.1276e-07 deg
node 87.75081350665155 4.4586e-06 deg
peri 183.5303634360442 5.1758e-06 deg
M 140.4870105497686 7.2861e-06 deg
tp 2458593.815349795032
(2019-Apr-20.31534979)
3.8138e-05 TDB
period 2056.891045962002
5.63
1.4485e-05
3.966e-08
d
yr
n .1750214240597411 1.2325e-09 deg/d
Q 3.657138601657208 1.717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3337  
   data-arc span      24236 days (66.35 yr)  
   first obs. used      1955-03-23  
   last obs. used      2021-07-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43443  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:22:09  

Additional Information
 Earth MOID = 1.65706 au 
 Jupiter MOID = 1.44621 au 
 T_jup = 3.183 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.62   n/a E2021B10  
diameter diameter 20.564 km 0.356 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.631 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.115   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2587 Gardner (1980 OH)          Discovered 1980-Jul-17 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1943-Apr-08 16:30 00:02 Jupiter 1.74675810463354 1.74675699774081 1.74675921152587 2.04494882115761 1.79220348928002 2430823.187844657 1.89816541566843 56.8445943025452 4.11768533900563 -84.9764835832493 4583349.74296551 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 23:24:10 2021-Aug-25 23:24
1954-Jan-29 06:36 00:01 Jupiter 1.5145542571836 1.51455382098501 1.51455469338219 1.44155864118366 0.979581898203892 2434771.775180392 1.48329300902927 90.8278193491685 34.0407915325 30.1704777614894 5507117.62703433 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 23:24:10 2021-Aug-25 23:24
1964-Nov-24 01:31 00:01 Jupiter 1.52309070103162 1.52309039860967 1.52309100345392 1.6348806428789 1.24923696537272 2438723.563508538 1.1515368536855 80.4479692042278 9.18631669464633 48.7606972333092 11693524.2862154 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 23:24:10 2021-Aug-25 23:24
1975-Aug-29 02:09 < 00:01 Jupiter 1.76887411166744 1.76887363108088 1.7688745922543 2.76268088977832 2.58354580554001 2442653.589926440 0.86646579706415 49.2083068711121 2.22966263032679 -76.4281035126366 14292819.3123227 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 23:24:10 2021-Aug-25 23:24
2062-Jun-16 13:50 00:01 Jupiter 1.86832885832897 1.86832828331315 1.86832943334491 2.40409593545956 2.20747832212135 2474357.076044370 1.12948748096966 38.797337356268 2.15049103475257 -72.0492591311682 5544825.37428343 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 23:24:10 2021-Aug-25 23:24
2073-Apr-07 02:38 00:01 Jupiter 1.58993799496989 1.58993748979697 1.58993850014271 1.58158475312168 1.19830365936646 2478304.609538756 1.44285294988001 67.8083368725955 26.8147146447762 48.5859915632067 4533803.25507469 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 23:24:10 2021-Aug-25 23:24
2084-Feb-05 07:10 00:02 Jupiter 1.5013896646953 1.50138945563467 1.50138987375575 1.48639360908709 1.03973455047205 2482260.798443023 1.81599734211029 83.7274196338004 6.24123095238787 13.779929380662 10949008.4794307 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 23:24:10 2021-Aug-25 23:24
2094-Nov-20 03:20 00:02 Jupiter 1.66350778759183 1.66350679810929 1.66350877707683 2.25546479639311 2.01711782357619 2486201.638840969 2.29134392833843 124.622553939065 1.97314316627883 -89.3853155343938 12864816.2841404 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 23:24:10 2021-Aug-25 23:24
2105-Aug-21 18:56 00:03 Jupiter 1.97658410667396 1.97658272491252 1.97658548843775 3.82803542328577 3.71440416681805 2490128.288699762 2.55673718715316 130.202676522043 4.44518693995936 -64.0995402761379 14033788.1223897 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 23:24:10 2021-Aug-25 23:24
2192-Jun-29 15:29 00:04 Jupiter 1.69888657809988 1.69888456367168 1.69888859252749 1.83374821096723 1.53801246476215 2521852.145428364 4.3786049783428 148.287250906023 12.670278383161 75.71905685665 4017797.15858456 T 46 CATAB v2.0g-lin.ifort 2021-Aug-25 23:24:10 2021-Aug-25 23:24

Alternate Designations
 1980 OH = 1977 BF = 1978 EZ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-17 17:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin